How is the direction of a vector calculated? What is the y component of a vector defined as 12.2m at 122o? A) -10.3

B) 10.3

C) -6.47

D) 6.47

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.

What is the magnitude of the gravitational force acting on the earth due to the sun?